Disney

1. reminiscent of a film or theme park created by the Walt Disney Company, especially in being simplified, sanitized, or romanticized.

   it presents a very Disney view of the Middle Ages

2. denoting a non-custodial parent who, when spending time with their child or children, indulges them with gifts, special outings, and other treats, leaving disciplinary responsibilities to the custodial parent.

   he needs to stop playing Disney dad and parent properly

   it sounds like your ex is a Disney parent

1930s: from the name of Walter Elias Disney (see Disney, Walt).